Nielsen Hayden genealogy
Family: András II, King of Hungary / Gertrud von Meran (F13109)
m. Bef 1203-
Father | Male
András II, King of Hungary
Born 1176 Died 21 Sep 1235 Buried Married Bef 1203 [1, 2] Other Spouse Yolanda of Courtenay, Queen Consort of Hungary | F12777 Married Father Béla III, King of Hungary, Croatia, Dalmatia, and Rama | F2156 Group Sheet Mother Anna de Châtillon | F2156 Group Sheet
Mother | Female
Gertrud von Meran
Born Abt 1185 Died 28 Sep 1213 Buried Father Berthold VI von Andechs | F8866 Group Sheet Mother Agnes von Nieder-Lausitz | F8866 Group Sheet
Child 1 | Female
+ Maria of Hungary
Born Died 1237 Buried Spouse Iwan Asen II, Tsar of Bulgaria | F21749 Married Jan 1221
Child 2 | Male
+ Béla IV, King of Hungary
Born 1206 Died 3 May 1270 Buried Spouse Maria Laskarina | F13107 Married Abt 1218
Child 3 | Female
+ St. Elisabeth of Hungary
Born 1207 Died 19 Nov 1231 Buried Spouse Ludwig II | F15371 Married 1220 Wartburg, Eisenach, Thuringia, Germany 
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Sources - [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.
- [S38] Genealogy of the French in North America, by Denis Beauregard. Complete version, 2021.
- [S49] Genealogics by Leo Van de Pas, continued by Ian Fettes and Leslie Mahler.